Which sentence is in passive voice?

Why is it good idea to outline answers to essay questions if you run out of time during a test?

Blogs differ from most other online text sources because they o focus on news and information. allow readers to interact with each other. are usually updated every day. can be updated with new information.

Read the excerpt from "the love song of j. alfred prufrock." let us go, through certain half-deserted streets, the muttering retreats of restless nights in one-night cheap hotels and sawdust restaurants with oyster-shells: how is this excerpt an example of dramatic monologue? the narrator is using long, interconnected sentences. the narrator is able to see into two character's heads. the narrator is addressing the audience directly. the narrator is jumping from one topic to the next topic